local M = {}
M.__index = M

function M.new(obj)
    obj = obj or {}
    return setmetatable(obj, M)
end

function M:set_fd(fd)
    self.fd = fd
end

function M:set_agent(agent)
    self.agent = agent
end

function M:set_uid(uid)
    self.uid = uid
end

function M:get_fd()
    return self.fd
end

function M:get_agent()
    return self.agent
end

function M:get_uid()
    return self.uid
end


return M